EP0454619B1 - Zum Zylindrisch-Biegen einer Platte dienende Umformmaschine - Google Patents

Zum Zylindrisch-Biegen einer Platte dienende Umformmaschine Download PDF

Info

Publication number: EP0454619B1
Authority: EP; European Patent Office
Prior art keywords: roll; machine; rollers; roller; rolls
Prior art date: 1990-04-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

EP91810267A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP0454619A1 (de

Inventor

Wilhelm Kirchhoff

Simon Schneider

Hans Zeugin

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Chr Haeusler AG

Europipe GmbH

Original Assignee

Chr Haeusler AG

Europipe GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1990-04-12

Filing date

1991-04-11

Publication date

1994-09-07

1991-04-11 Application filed by Chr Haeusler AG, Europipe GmbH filed Critical Chr Haeusler AG

1991-10-30 Publication of EP0454619A1 publication Critical patent/EP0454619A1/de

1994-09-07 Application granted granted Critical

1994-09-07 Publication of EP0454619B1 publication Critical patent/EP0454619B1/de

2011-04-11 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers

Definitions

the object of the present invention is therefore to create a forming machine which is suitable for the relatively rapid deformation of thick workpieces into correspondingly thick-walled cylindrical ones
“Relatively fast” here means less than 5 minutes to produce a hollow cylindrical body of 10 to 15 m in length and up to a wall thickness of 35 mm.
All the rollers are expediently provided with electric or hydraulic motors at both ends, one of the two motors serving to drive the top roller being able to be uncoupled from the roller end and pivoted away.
the rollers themselves can be connected in some way to the corresponding ends of the C-shaped stands: it is possible, for example, to provide the top roller with a groove for each stand and to accommodate a band in each groove, the ends of which at the C - Stand is hung up so as to hang up the roller.
the lower rollers resting on the support rollers can at best be secured by additional guide means.
the forming machine shown in FIG. 1 has four C-shaped stands, designated as a whole by 1 to 4, each formed from two vertical plates A and B, all of which stand on two supports, designated 8 or 9, or on a base and are connected to each other by a shield 10 and a frame part 11. To increase the rigidity, it is of course readily possible to connect the plates of a stand and the stands standing next to one another by further connecting elements.
a stub shaft 30 is mounted in the two plates A and B of each C-stand, which is provided with an eccentric disc 31 and a lever arm 32.
the free end of the lever arm 32 is connected in an articulated manner to the piston rod 33 of the hydraulic cylinder 34, so that the lever 32 and with it the eccentric disc 31 are rotated by the displacement of the piston rod in the cylinder.
the support plate 23 lying on it is displaced upwards or downwards and also somewhat laterally.
a block 22 is horizontally displaceably mounted, which can be moved horizontally by the eccentric 36 seated on the shaft 35, the rotating or adjusting mechanism for the shaft 35 mounted in the two plates A and B being shown here purely schematically and with 37 and the connection plate provided with the bore for the eccentric 36 is designated 38.
the piston 40 of a hydraulic cylinder 41 is supported which, depending on the loading with the hydraulic fluid, can move up and down on the inclined sliding surface D.
a carrier 12 is attached, in which the two support rollers 13 and 14 are freely rotatable. These support rollers 13 and 14 serve to support the upper roller 15, which is suspended here on the carrier 12 or on the shield 10 by means of bands not shown in the drawing and guided in the grooves 15b of this upper roller 15.
All three rollers i.e. the upper roller 15 and the lower rollers 24 and 42, of which the latter is the bending roller, are each provided with a drive at their two ends, expediently a hydraulic or electric motor, one of the two being used to drive the Upper roller 15 serving motors can be detachably coupled from the roller and is mounted in such a way that it can be pivoted away from the roller in the same way as is known in other, that is to say ordinary, three- or four-roller machines in which a hollow cylinder is formed Workpiece can be extended laterally.
FIG. 3 shows that when the workpiece, that is to say the sheet metal plate 43, is inserted between the upper roller 15 and the lower roller 24, the two lower rollers, that is to say the actual lower roller 24 and the bending roller 42, are at the same height, so that the workpiece 43 is comfortably horizontal can be introduced.
the axis 24a of the lower roller 24 is offset to the left by the distance X with respect to the axis 15a of the upper roller 15, as is already shown in FIG.
the bending roller 42 is raised in that the hydraulic fluid flowing in pushes the cylinder 41 upwards on the sliding surface D until it has assumed the position shown in FIG.
the entire three-roll mill is then put into operation, so that the workpiece 43 is bent as shown in FIG.
the rolling process is stopped and the lower rollers 24 and 42 are moved downwards until the workpiece 43 can be pulled out of the forming machine in the axial direction.
one of the two drive motors is pivoted away from the top roller 15, as is known in three or four-roller machines.
the bending roller 42 is then moved down again until it is at the same height as the lower roller 24.
the workpiece can now be introduced into the forming machine with the edge 43b parallel to the edge 43a, the bending roller 42 raised again and the rolling process started again, as shown in FIG. 5.
the state shown in FIG. 5 As soon as the state shown in FIG.
the main advantage that can be achieved with the above machine is that, as it were, sheets of any thickness and very long can be given a hollow cylindrical shape, since the C-shaped stands, which in themselves can be present in any number and of which each is provided with a pair of support rollers for each roller, which absorb the bending forces and thereby prevent the dreaded bending of the rollers, which is feared in conventional three- or four-roller bending machines and is difficult to control.
the size of the distance from the C-stand to the C-stand depends on the size of the load for which the forming machine is designed. For example, a distance of 80-150 cm, ie approximately 120 cm, from the center of the stand to the center of the stand may be appropriate.
the workpiece Due to the fact that the workpiece is rolled round in a uniform operation, it is treated very gently, which is particularly important for steels with a high degree of purity, where pre- or reworking of the edges by rollers results in additional strengthening and thus a deterioration in quality Has.
this device it is also possible with this device to install an automatic readjustment which contains the element measuring the curvature of the workpiece and a computer controlled by it, which in turn controls the displacement of the lower roller 24 and the bending roller 42.
the disadvantage of working with a forming machine, as described above, is that the workpiece has to be turned after the first operation, i.e. when it is half finished and removed from the machine, which is not just what is required Aids but also a large space and a corresponding amount of time are necessary.
FIG. 7 where they form a tube production system together with a stitching system.
the two forming machines are labeled 50 and 51.
the forming machine 50 is supplied with the rectangularly cut sheet metal plates 52 by the conveyor device 53, and first in the longitudinal direction L of the system and then in the transverse direction Q perpendicular thereto.
the plate 52 is deformed in the manner described above with reference to FIGS. 3 and 4.
the half-machined workpiece 52 is then moved out of the forming machine 50 to the right using aids known per se in the manner already described above and then by means of a cross conveyor, which is indicated in FIG.
the second forming machine 51 fed. While the first forming machine 50 is set up in such a way that the opening of the C-stands is directed against the conveyor 53, the forming machine 51 is set up in mirror image, that is, in such a way that the opening of its C-stands is directed against the cross conveyor 54. As a result, the space-consuming turning of the workpiece 52 can be dispensed with and this can be fed to the forming machine 51 in the manner in which it is moved out of the forming machine 50. In the forming machine 51, the second part of the shaping takes place as described above with reference to FIGS. 5 and 6, with FIGS.
the entire system can work every two to three minutes, i.e. the system, which contains two forming machines, delivers a cylindrical tube every 2 to 3 minutes.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Bending Of Plates, Rods, And Pipes (AREA)
Shaping Of Tube Ends By Bending Or Straightening (AREA)

EP91810267A 1990-04-12 1991-04-11 Zum Zylindrisch-Biegen einer Platte dienende Umformmaschine Expired - Lifetime EP0454619B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH1272/90		1990-04-12
CH01272/90A CH688437A5 (de)	1990-04-12	1990-04-12	Zum Zylindrisch-Biegen einer Platte dienende Umformmaschine.

Publications (2)

Publication Number	Publication Date
EP0454619A1 EP0454619A1 (de)	1991-10-30
EP0454619B1 true EP0454619B1 (de)	1994-09-07

Family

ID=4206530

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91810267A Expired - Lifetime EP0454619B1 (de)	1990-04-12	1991-04-11	Zum Zylindrisch-Biegen einer Platte dienende Umformmaschine

Country Status (9)

Country	Link
US (1)	US5115658A (ru)
EP (1)	EP0454619B1 (ru)
JP (1)	JPH04228226A (ru)
KR (1)	KR910018095A (ru)
AT (1)	ATE110994T1 (ru)
CH (1)	CH688437A5 (ru)
DE (1)	DE59102791D1 (ru)
ES (1)	ES2062737T3 (ru)
RU (1)	RU2036738C1 (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102672015A (zh) *	2012-05-18	2012-09-19	湖州南浔振建机电成套设备有限公司	金属板件拉伸压弯模具
CN104259268A (zh) *	2014-09-27	2015-01-07	滁州市川奇水泥制品有限公司	一种水泥电杆圆环形钢板圈滚压机

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5632174A (en) *	1995-08-04	1997-05-27	Hunter; Dennis	Metal bending machine
EP0879102B1 (de) *	1996-01-30	1999-12-08	Chr. Haeusler AG	Rundbiegemaschine
DE19717472A1 (de) *	1997-04-25	1998-10-29	Suban Ag	Verfahren und Vorrichtung zum Profilbiegen mit modularen Biegestationen
TW449509B (en) *	1998-11-04	2001-08-11	Kawasaki Steel Co	Bending rolls, and pipe formed thereby
EP1165265B1 (de)	1999-03-05	2006-03-01	Elpatronic Ag	Verfahren zum rundbiegen eines blechs und mehrwalzen-vorrichtung zur durchführung des verfahrens
KR100492636B1 (ko) *	2002-11-07	2005-05-30	박윤배	철판 밴딩머신
JP3904529B2 (ja) *	2003-03-31	2007-04-11	株式会社栗本鐵工所	パイプ成形方法及び装置
CN1318157C (zh) *	2004-09-13	2007-05-30	张先荣	下辊中心距水平可调的三辊卷板机
FR2876927B1 (fr) *	2004-10-25	2008-05-16	Jammes Ind Sa Sa	Machine a cintrer les toles et ligne de fabrication incorporant une telle machine
DE112008003603A5 (de) *	2007-11-05	2010-10-14	Bergrohr Gmbh Siegen	Biegemaschine für Blechtafeln
JP4439573B2 (ja) *	2008-07-29	2010-03-24	株式会社富士機械工作所	円筒成形装置
WO2010118759A2 (de)	2009-04-16	2010-10-21	Gmbh Siegen Bergrohr	Biegepresse für blechtafeln
DE102010041296A1 (de) *	2010-09-23	2012-03-29	Theodor Gräbener GmbH & Co. KG	Vierwalzenbiegemaschine und Verfahren zum An- und Rundbiegen bzw.-walzen von Blechen
JP5931485B2 (ja) *	2012-02-14	2016-06-08	株式会社栗本鐵工所	ベンディングロール
CN105711050B (zh) *	2016-03-24	2020-12-18	中山市悦辰电子实业有限公司	一种弧形音箱壳体成型方法
CN105772546B (zh) *	2016-05-03	2017-12-26	贝克尔船舶系统（江苏）有限公司	导流罩外板成型工艺
CN106964677B (zh) *	2017-04-27	2020-04-17	嵊州市杭艺玻璃制品有限公司	一种用于汽车配件生产的铝板卷取装置
CN107321824A (zh) *	2017-07-10	2017-11-07	南京理工大学	一种位置可以自由调节的四辊卷板挠度补偿装置
KR102447449B1 (ko) *	2022-02-07	2022-09-23	김성영	금속판재의 곡면 및 절곡가공 겸용 벤딩장치
KR102468677B1 (ko) *	2022-02-07	2022-11-17	김성영	금속판재의 곡면가공용 벤딩장치
DE102022103815B4 (de)	2022-02-17	2023-12-28	Haeusler Ag Duggingen	Biegen eines Blechs zu einem Rohrstück
CN114951368B (zh) *	2022-08-02	2023-03-24	启东市春晨机械有限公司	一种可调折弯半径的折弯机
CN115533525B (zh) *	2022-11-25	2023-03-14	成都永贵东洋轨道交通装备有限公司	一种大型框体自动送料-弯曲-焊接流水生产线
CN118417384B (zh) *	2024-07-05	2024-10-01	江苏金强钢轮有限公司	一种钢圈加工的折弯装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US518765A (en) *		1894-04-24		Bending-machine
US1767835A (en) *	1929-01-14	1930-06-24	Charles D Dallas	Coiling machine
US2612934A (en) *	1949-06-13	1952-10-07	Paul P M Dubosclard	Forming roll machine
CH282457A (de) *	1950-02-15	1952-04-30	Egloff Geb	Maschine zum Herstellen von an einem Längsrande abgewulsteten Dachrinnen aus Blech.
US3091279A (en) *	1960-05-04	1963-05-28	Lockheed Aircrat Corp	Method and apparatus for forming conically shaped articles
DE1752666C3 (de) *	1968-06-29	1975-09-25	Wilhelmsburger Maschinenfabrik, Hinrichs & Sohn, 2054 Geesthacht	Blechplattenbiegemaschine
US4132099A (en) *	1976-01-29	1979-01-02	Chr. Hausler Ag	Four-roller workpiece bending machine
US4056962A (en) *	1976-08-13	1977-11-08	Edeco-West, Inc.	Rolling machine assembly
US4249406A (en) *	1978-09-05	1981-02-10	Anderson Frohman C	Line pipe forming apparatus and method
DE2847965C2 (de) *	1978-11-04	1980-12-11	Schaefer Maschbau Wilhelm	Vierwalzenbiegemaschine
SE424047B (sv) *	1978-12-22	1982-06-28	Hedlund Kurt	Maskin for framstellning av skruvlinjefalsade ror
US4367640A (en) *	1980-01-28	1983-01-11	Heitzman Steven C	Apparatus for forming sheet metal duct work
FI74414C (fi) *	1980-08-18	1988-02-08	Sl Tuotanto Oy	Anordning foer framstaellning av ett metallroer.
US4614099A (en) *	1984-07-27	1986-09-30	Teledyne, Inc.	Rolling mill
JPH0655423B2 (ja) *	1988-09-12	1994-07-27	車体工業株式会社	偏平二重壁構造体のブロー成形方法及び装置

1990
- 1990-04-12 CH CH01272/90A patent/CH688437A5/de not_active IP Right Cessation
1991
- 1991-04-09 KR KR1019910005617A patent/KR910018095A/ko not_active Application Discontinuation
- 1991-04-10 US US07/683,417 patent/US5115658A/en not_active Expired - Fee Related
- 1991-04-11 RU SU914894996A patent/RU2036738C1/ru active
- 1991-04-11 DE DE59102791T patent/DE59102791D1/de not_active Expired - Fee Related
- 1991-04-11 AT AT91810267T patent/ATE110994T1/de active
- 1991-04-11 JP JP3078945A patent/JPH04228226A/ja active Pending
- 1991-04-11 EP EP91810267A patent/EP0454619B1/de not_active Expired - Lifetime
- 1991-04-11 ES ES91810267T patent/ES2062737T3/es not_active Expired - Lifetime

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102672015A (zh) *	2012-05-18	2012-09-19	湖州南浔振建机电成套设备有限公司	金属板件拉伸压弯模具
CN104259268A (zh) *	2014-09-27	2015-01-07	滁州市川奇水泥制品有限公司	一种水泥电杆圆环形钢板圈滚压机

Also Published As

Publication number	Publication date
JPH04228226A (ja)	1992-08-18
DE59102791D1 (de)	1994-10-13
US5115658A (en)	1992-05-26
EP0454619A1 (de)	1991-10-30
RU2036738C1 (ru)	1995-06-09
ES2062737T3 (es)	1994-12-16
ATE110994T1 (de)	1994-09-15
KR910018095A (ko)	1991-11-30
CH688437A5 (de)	1997-09-30

Publication	Publication Date	Title
EP0454619B1 (de)	1994-09-07	Zum Zylindrisch-Biegen einer Platte dienende Umformmaschine
DE3545506C2 (ru)	1992-06-04
DE3534428C2 (ru)	1992-09-10
DE2406326A1 (de)	1974-11-07	Vorrichtung zur plastischen verformung von material
DE3529160A1 (de)	1987-02-26	Formwalzvorrichtung
EP1294503A1 (de)	2003-03-26	Profilrichtmaschine
EP1731237B1 (de)	2008-07-16	Blechbearbeitungsmaschine
DE2437545C3 (de)	1978-11-23	Verfahren zum Walzen von Metallstäben
DE3805364A1 (de)	1989-08-31	Fertigwalzverfahren fuer profile
DE10015285C2 (de)	2003-11-27	Walzstraße zum Walzen von metallischen Rohren, Stäben oder Drähten
DE2731494C2 (de)	1986-07-31	Lochwalzwerk
DE2621902C3 (de)	1979-08-30	Verfahren und Vorrichtung zum Biegen erwärmter Glasscheiben
DE2845052A1 (de)	1980-04-24	Geruestwechselvorrichtung
DE69921911T2 (de)	2005-12-15	Rollenlagerung mit Dreiachsenfreiheit
EP1212153B1 (de)	2003-11-05	Walzgerüst
DE1752361C3 (de)	1978-04-13	Walzwerk zum Walzen von büchsenförmigen Werkstücken
DE3644628A1 (de)	1987-07-09	Rollenmaschine zum kalten biegen von profilen
DE2502651A1 (de)	1975-07-31	Richtmaschine
EP0125540B1 (de)	1988-01-13	Vorrichtung zum Herstellen von in der Mantelfläche gelochten Rohren
DE2716940A1 (de)	1978-02-02	Verfahren zur herstellung von laengsnahtrohren und walzwerk zur durchfuehrung dieses verfahrens
DE19705457A1 (de)	1998-08-20	Blechrichtmaschine
DE2528850C3 (de)	1979-09-20	Pilgerschrittwalzwerk zum Rohrkaltwalzen
DE2608410A1 (de)	1977-09-08	Einrichtung zum runden von blechstreifen fuer die herstellung von laengsnahtgeschweissten rohren, insbesondere von solchen verhaeltnismaessig grossen durchmessers
CH689689A5 (de)	1999-08-31	Verfahren zur programmgesteuerten Dünnblech-Bearbeitung sowie Dünnblech-Bearbeitungsmaschine.
EP3782745A1 (de)	2021-02-24	Richtmaschine, wartungseinrichtung und verfahren zum zugänglichmachen von richtwalzen für die wartung einer richtmaschine

Legal Events

Date	Code	Title	Description
1991-09-13	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1991-10-30	17P	Request for examination filed	Effective date: 19910831
1991-10-30	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1993-03-31	17Q	First examination report despatched	Effective date: 19930218
1994-07-06	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: EUROPIPE GMBH Owner name: CHR. HAEUSLER AG MASCHINEN-, APPARATE- UND STAHLBA
1994-07-21	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-09-07	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1994-09-07	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Effective date: 19940907 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19940907 Ref country code: DK Effective date: 19940907
1994-09-07	REF	Corresponds to:	Ref document number: 110994 Country of ref document: AT Date of ref document: 19940915 Kind code of ref document: T
1994-10-13	REF	Corresponds to:	Ref document number: 59102791 Country of ref document: DE Date of ref document: 19941013
1994-11-02	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19941004
1994-11-30	ITF	It: translation for a ep patent filed
1994-12-02	ET	Fr: translation filed
1994-12-07	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Effective date: 19941207
1994-12-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FG2A Ref document number: 2062737 Country of ref document: ES Kind code of ref document: T3
1995-02-16	NLV1	Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
1995-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19950430 Ref country code: LI Effective date: 19950430 Ref country code: CH Effective date: 19950430
1995-07-08	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-07-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-08-30	26N	No opposition filed
1995-12-15	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1999-04-08	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19990408 Year of fee payment: 9
1999-04-15	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: ES Payment date: 19990415 Year of fee payment: 9 Ref country code: AT Payment date: 19990415 Year of fee payment: 9
1999-04-16	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19990416 Year of fee payment: 9
1999-05-05	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 19990505 Year of fee payment: 9
1999-05-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19990514 Year of fee payment: 9
2000-04-11	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000411 Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000411
2000-04-12	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: ES Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 20000412
2000-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20000430
2000-10-31	BERE	Be: lapsed	Owner name: EUROPIPE G.M.B.H. Effective date: 20000430 Owner name: CHR. HAEUSLER A.G. MASCHINEN- APPARATE- UND STAHL Effective date: 20000430
2000-11-29	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20000411
2000-12-29	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20001229
2001-02-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20010201
2001-02-02	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
2002-03-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FD2A Effective date: 20020204
2005-04-11	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050411

EP0454619B1 - Zum Zylindrisch-Biegen einer Platte dienende Umformmaschine - Google Patents

Info

Links

Images

Classifications

Definitions

Landscapes

Applications Claiming Priority (2)

Publications (2)

Family

ID=4206530

Family Applications (1)

Country Status (9)

Cited By (2)

Families Citing this family (24)

Family Cites Families (15)

Cited By (2)

Also Published As

Similar Documents

Legal Events